He witnessed an apocalyptic scene. Health workers looking like radiation experts in the aftermath of a reactor meltdown, gravely ill people vomiting, bleeding, barely able to lift limbs from concrete hospital floors, a sad procession of bodies ferried out for burial without ceremony, or one ...

Oxford University doctors and scientists have begun a safety trial of a combination Ebola vaccine. It's one of three vaccines entering early safety trials. But the lead researcher is holding out hope other control measures curb the epidemic before the vaccines reach mass production stage. ...